---
 Lib/test/test_time.py |    1 +
 1 file changed, 1 insertion(+)

Index: Python-3.15.0a3/Lib/test/test_time.py
===================================================================
--- Python-3.15.0a3.orig/Lib/test/test_time.py	2026-01-06 16:57:59.278632516 +0100
+++ Python-3.15.0a3/Lib/test/test_time.py	2026-01-07 18:10:25.621075073 +0100
@@ -570,6 +570,7 @@
         self.assertTrue(info.monotonic)
         self.assertFalse(info.adjustable)
 
+    @unittest.skipIf(platform.processor() == 's390x', "Fails on s390x, gh#python/cpython#143528")
     def test_thread_time(self):
         if not hasattr(time, 'thread_time'):
             if sys.platform.startswith(('linux', 'android', 'win')):